Description:Fall Harvest Festival & Scarecrow Contest. Event attendance continues to grow with 5,000+ visitors expected in 2011. The festival is free and open to the public with activities, demonstrations set up throughout the Arboretum's 74 acres. This celebration of Fall includes a designated children's activity area, music, demonstrations, a corn maze, and prairie village. Vendor set up from 8:30 to 10:30 a.m. with tear down allowed after 4:00 p.m.